Adds Savannah Castle, Player House, Red House, Overworld Lab, Spruce Zoo, and Jungle Zoo.
Castle as said previously is found in Savannah biome alone.
Player Houses can be found in Flower Forests, Meadows, Windswept Hills, and Sunflower plains.
Spruce Zoos spawn in all taiga biomes.
Jungle Zoos spawn in all jungle biomes excluding Sparse Jungle.
Red Houses spawn in flower and normal forests, Savannahs, and both Plains biomes.
Overworld Labs spawn in Plains and Forests.
